I can see something similar from an ubuntu artful client if I force protocol SMB3:
andreas@nsnx:~$ smbclient //10.0.100.215/ubuntu -U ubuntu%ubuntu -m SMB3
WARNING: The "syslog" option is deprecated
Domain=[XENIAL-SAMBA-SMBSTATUS-1737534] OS=[] Server=[]
smb: \>
server (xenial):
PID Username Group Machine Protocol Version
------------------------------------------------------------------------------
3553 ubuntu ubuntu 10.0.100.1 (ipv4:10.0.100.1:41196) Unknown (0x0311)
But just the protocol version is unknown: the username and group are correct.
How are your samba users managed? For this test I used the local tdb database, i.e., I just ran "sudo smbpasswd -a ubuntu" after a default install.
I can see something similar from an ubuntu artful client if I force protocol SMB3: 100.215/ ubuntu -U ubuntu%ubuntu -m SMB3 [XENIAL- SAMBA-SMBSTATUS -1737534] OS=[] Server=[]
andreas@nsnx:~$ smbclient //10.0.
WARNING: The "syslog" option is deprecated
Domain=
smb: \>
server (xenial): ------- ------- ------- ------- ------- ------- ------- ------- ------- ------- - 0.100.1: 41196) Unknown (0x0311)
PID Username Group Machine Protocol Version
-------
3553 ubuntu ubuntu 10.0.100.1 (ipv4:10.
But just the protocol version is unknown: the username and group are correct.
How are your samba users managed? For this test I used the local tdb database, i.e., I just ran "sudo smbpasswd -a ubuntu" after a default install.